The Pentek SH154368 is the correct replacement for:
The Pentek SH154368 1/2" White Filter Housing Cap is constructed from durable Polypropylene and has a 1/2" inlet NPT/outlet connection.
Pentek Filter Housing Cap specifications:
To prevent cracking of the filter and avoid water leakage, be sure to protect your housing unit against freezing. This flat Pentek Filter Housing Cap is not equipped with pressure release.